-19+15a=-40+8a

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Solution for -19+15a=-40+8a equation: 



-19+15a=-40+8a

We move all terms to the left:

-19+15a-(-40+8a)=0

We add all the numbers together, and all the variables

15a-(8a-40)-19=0

We get rid of parentheses

15a-8a+40-19=0

We add all the numbers together, and all the variables

7a+21=0

We move all terms containing a to the left, all other terms to the right

7a=-21

a=-21/7

a=-3

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